/* ==========================================================================
   博电竞 · 数据统计  —  全站共享样式 /assets/site.css
   深空黑底 · 电子青 / 霓虹洋红双主色 · 坐标网格材质
   ========================================================================== */

:root{
  --ink:#05070C;
  --panel:#12161F;
  --raised:#1B2230;
  --cyan:#22E0D6;
  --magenta:#FF2E88;
  --gold:#FFC24B;
  --white:#F2F5FA;
  --grey:#A7B0C0;
  --line:#2A3345;
  --up:#3ED598;
  --down:#FF5C6C;
  --ice:#6FA8FF;

  --shell:1360px;
  --gutter:28px;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;
  --radius:2px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.28s;
}

/* ------------------------------------------------------------------ reset */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  color:var(--white);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  background-color:var(--ink);
  background-image:
    radial-gradient(900px 420px at 86% -140px, rgba(34,224,214,.11), transparent 70%),
    radial-gradient(720px 380px at 4% -120px, rgba(255,46,136,.09), transparent 72%),
    linear-gradient(to right, rgba(42,51,69,.26) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42,51,69,.20) 1px, transparent 1px);
  background-size:auto,auto,96px 96px,96px 96px;
  background-repeat:no-repeat,no-repeat,repeat,repeat;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
img,svg,video{display:block;max-width:100%}
a{color:var(--cyan);text-decoration:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
::selection{background:var(--magenta);color:#0A0210}

/* --------------------------------------------------------------- 跳转链接 */
.skip-link{
  position:absolute;
  left:14px;
  top:-80px;
  z-index:400;
  padding:10px 18px;
  background:var(--cyan);
  color:#04100F;
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  border-radius:var(--radius);
  transition:top .2s var(--ease);
}
.skip-link:focus{top:12px}

/* ================================================================ 站点头部 */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(5,7,12,.88);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
}

/* 状态条 -------------------------------------------------------------- */
.status-bar{border-bottom:1px solid rgba(42,51,69,.7)}
.status-bar__inner{
  max-width:var(--shell);
  margin:0 auto;
  padding:0 var(--gutter);
  height:32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--grey);
  white-space:nowrap;
  overflow:hidden;
}
.status-bar__ticker{display:flex;align-items:center;gap:10px;min-width:0}
.status-bar__ticker span:last-child{overflow:hidden;text-overflow:ellipsis}
.status-bar__dot{
  flex:0 0 auto;
  width:6px;height:6px;
  background:var(--cyan);
  border-radius:50%;
  animation:pulse 2.6s var(--ease) infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(34,224,214,.55);opacity:1}
  60%{box-shadow:0 0 0 7px rgba(34,224,214,0);opacity:.55}
}
.status-bar__memory{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.status-bar__sep{color:var(--line)}
.status-bar__chip{
  display:inline-block;
  padding:1px 8px;
  font-size:11px;
  letter-spacing:.08em;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--grey);
}
.status-bar__chip--cyan{border-color:rgba(34,224,214,.5);color:var(--cyan)}
.status-bar__chip--magenta{border-color:rgba(255,46,136,.55);color:var(--magenta)}
.label-mono{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--grey);
}

/* 品牌行 -------------------------------------------------------------- */
.masthead__inner{
  max-width:var(--shell);
  margin:0 auto;
  padding:0 var(--gutter);
  min-height:76px;
  display:flex;
  align-items:center;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  color:var(--white);
  text-decoration:none;
}
.brand__mark{
  width:20px;height:20px;
  flex:0 0 auto;
  background:linear-gradient(90deg,var(--cyan) 0 50%,var(--magenta) 50% 100%);
  transition:transform var(--dur) var(--ease);
}
.brand:hover .brand__mark{transform:rotate(45deg)}
.brand__text{
  font-weight:900;
  font-size:20px;
  letter-spacing:-.02em;
  line-height:1;
  display:inline-flex;
  align-items:baseline;
  gap:10px;
}
.brand__sub{
  font-family:var(--mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:.16em;
  color:var(--grey);
}

/* 主导航 -------------------------------------------------------------- */
.primary-nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.primary-nav__list{
  display:flex;
  align-items:center;
  gap:2px;
  list-style:none;
  margin:0;
  padding:0;
}
.primary-nav__list a{
  position:relative;
  display:inline-block;
  padding:12px 12px;
  color:var(--grey);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.primary-nav__list a:hover{color:var(--white);transform:translate(2px,-1px)}
.primary-nav__list a[aria-current="page"]{color:var(--white)}
.primary-nav__list a[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:3px;
  height:2px;
  background:var(--magenta);
}
.primary-nav__cta{margin-left:6px}

/* 汉堡按钮 ------------------------------------------------------------ */
.nav-toggle{
  display:none;
  width:44px;height:44px;
  padding:0;
  flex:0 0 auto;
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--radius);
  cursor:pointer;
  transition:border-color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan)}
.nav-toggle__bar{
  display:block;
  width:20px;height:2px;
  margin:5px auto;
  background:var(--white);
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(6px) rotate(45deg);background:var(--magenta)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){transform:translateY(-6px) rotate(-45deg);background:var(--magenta)}

/* 滚动进度 ------------------------------------------------------------ */
.scroll-progress{
  position:absolute;
  left:0;bottom:-1px;
  height:2px;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--magenta));
  pointer-events:none;
  transition:width .12s linear;
}

/* ================================================================ 站尾 */
.site-footer{
  position:relative;
  margin-top:104px;
  background:var(--panel);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;
  width:132px;height:2px;
  background:var(--cyan);
}
.site-footer__inner{
  max-width:var(--shell);
  margin:0 auto;
  padding:64px var(--gutter) 26px;
}
.site-footer__grid{
  display:grid;
  grid-template-columns:minmax(280px,1.7fr) repeat(3,minmax(150px,1fr));
  gap:46px 40px;
  padding-bottom:44px;
  border-bottom:1px solid var(--line);
}
.footer-brand__name{
  font-size:20px;
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.3;
  color:var(--white);
}
.footer-brand__domain{
  margin-top:8px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--cyan);
}
.footer-brand__desc{
  margin-top:18px;
  max-width:34em;
  font-size:14.5px;
  line-height:1.75;
  color:var(--grey);
}
.footer-brand__note{
  margin-top:10px;
  max-width:34em;
  font-size:13px;
  line-height:1.7;
  color:rgba(167,176,192,.72);
  border-left:2px solid var(--line);
  padding-left:12px;
}
.footer-col__title{
  margin-bottom:16px;
  color:var(--cyan);
}
.footer-col__list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:10px;
  font-size:14.5px;
}
.footer-col__list a{
  color:var(--grey);
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-col__list a:hover{
  color:var(--white);
  border-bottom-color:var(--magenta);
  transform:translateX(2px);
}
.footer-col__list--index{counter-reset:svc}
.footer-col__list--index li{
  counter-increment:svc;
  display:flex;
  gap:10px;
  align-items:baseline;
  color:var(--grey);
}
.footer-col__list--index li::before{
  content:"0" counter(svc);
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--cyan);
  flex:0 0 auto;
}

.footer-contact{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:22px 32px;
  padding:32px 0;
  border-bottom:1px solid var(--line);
}
.footer-contact__item{display:flex;flex-direction:column;gap:6px}
.footer-contact__value{
  font-size:14.5px;
  color:var(--white);
  word-break:break-word;
}
.footer-legal{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  padding-top:22px;
}
.footer-legal__copy{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--grey);
}
.footer-legal__top{
  background:none;
  border:0;
  padding:4px 0;
  cursor:pointer;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--cyan);
  border-bottom:1px solid rgba(34,224,214,.4);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.footer-legal__top:hover{color:var(--magenta);border-bottom-color:var(--magenta)}

/* 返回顶部常驻按钮 ---------------------------------------------------- */
.to-top{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:130;
  width:52px;height:52px;
  display:grid;
  place-items:center;
  background:rgba(18,22,31,.92);
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--white);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.to-top[data-shown]{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--cyan);background:rgba(34,224,214,.14)}
.to-top__arrow{font-size:16px;line-height:1}

/* ============================================================ 通用布局 */
.shell{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding:0 var(--gutter);
}
.section{padding:80px 0;border-top:1px solid var(--line)}
.section:first-of-type{border-top:0}
.section__head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:34px;
}
.section__title{
  font-size:clamp(32px,4.4vw,56px);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.08;
}
.rule{height:1px;background:var(--line);border:0;margin:0}

.grid{display:grid;gap:24px}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}

/* ============================================================ 文字组件 */
.prose{
  max-width:38em;
  font-size:17px;
  line-height:1.8;
  color:var(--grey);
}
.prose p + p{margin-top:1.1em}
.prose strong{color:var(--white);font-weight:700}
.prose h2,.prose h3{color:var(--white);letter-spacing:-.02em;line-height:1.2}
.lede{
  font-size:clamp(18px,2vw,22px);
  line-height:1.7;
  color:var(--white);
  max-width:32em;
}
.muted{color:var(--grey)}

/* 超大数字锚点 */
.display-num{
  font-family:var(--sans);
  font-weight:800;
  font-size:clamp(72px,12vw,200px);
  line-height:.86;
  letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
}

/* ============================================================ 面板卡片 */
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
}
.card--glass{
  background:rgba(27,34,48,.55);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-color:rgba(42,51,69,.9);
}
.card__head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:14px;
  margin-bottom:16px;
}

/* ============================================================ 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  line-height:1;
  border:1px solid transparent;
  border-radius:var(--radius);
  background:none;
  color:var(--white);
  cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform .18s var(--ease);
}
.btn--cta{background:var(--magenta);color:#0A0210}
.btn--cta:hover{background:var(--cyan);color:#04100F;transform:translateY(-2px)}
.btn--ghost{border-color:var(--line);color:var(--white)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.btn--line{
  padding:6px 0;
  border:0;
  border-bottom:1px solid currentColor;
  border-radius:0;
  color:var(--cyan);
}
.btn--line:hover{color:var(--magenta)}

/* ============================================================ 数据组件 */
.stat{display:flex;flex-direction:column;gap:8px}
.stat__value{
  font-size:clamp(36px,4.6vw,60px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
}
.stat__label{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--grey);
}
.delta{
  font-family:var(--mono);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
}
.delta--up{color:var(--up)}
.delta--down{color:var(--down)}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.08em;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--grey);
  white-space:nowrap;
}
.tag--cyan{border-color:rgba(34,224,214,.5);color:var(--cyan)}
.tag--magenta{border-color:rgba(255,46,136,.5);color:var(--magenta)}
.tag--gold{border-color:rgba(255,194,75,.5);color:var(--gold)}

/* 表格 */
.data-table{
  width:100%;
  border-collapse:collapse;
  font-size:14.5px;
  background:var(--panel);
}
.data-table caption{
  padding:0 0 14px;
  text-align:left;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--grey);
}
.data-table th,.data-table td{
  padding:13px 16px;
  text-align:left;
  border-bottom:1px solid var(--line);
}
.data-table thead th{
  font-family:var(--mono);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--grey);
  border-bottom:1px solid rgba(34,224,214,.38);
  white-space:nowrap;
}
.data-table tbody tr{transition:background var(--dur) var(--ease)}
.data-table tbody tr:hover{background:rgba(34,224,214,.06)}
.data-table .num{
  text-align:right;
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
}
.data-table__wrap{width:100%;overflow-x:auto}

/* ============================================================ 图片容器 */
.media-frame{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  background:var(--raised);
  border:1px solid var(--line);
  border-radius:var(--radius);
  aspect-ratio:16/9;
}
.media-frame > img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(34,224,214,.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34,224,214,.12) 1px, transparent 1px);
  background-size:33.333% 33.333%;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame__caption{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:2;
  padding:14px 16px;
  background:linear-gradient(to top, rgba(5,7,12,.94), rgba(5,7,12,0));
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--white);
}

/* ============================================================ 目录 / 时间轴 / 面包屑 */
.index-list{
  list-style:none;
  margin:0;
  padding:0;
  counter-reset:idx;
}
.index-list a{
  display:flex;
  align-items:baseline;
  gap:14px;
  padding:13px 0;
  border-bottom:1px solid var(--line);
  color:var(--white);
  font-size:15.5px;
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.index-list a::before{
  counter-increment:idx;
  content:counter(idx,decimal-leading-zero);
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--cyan);
  flex:0 0 auto;
}
.index-list a:hover{color:var(--cyan);padding-left:6px}

.timeline{
  position:relative;
  margin:0;
  padding:0 0 0 24px;
  list-style:none;
  border-left:1px solid var(--line);
}
.timeline__item{position:relative;padding-bottom:30px}
.timeline__item::before{
  content:"";
  position:absolute;
  left:-29px;
  top:8px;
  width:9px;height:9px;
  background:var(--ink);
  border:1px solid var(--cyan);
}
.timeline__item:last-child{padding-bottom:0}
.timeline__time{
  display:block;
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--grey);
  margin-bottom:6px;
}

.breadcrumb{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--grey);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  margin:0;
  padding:0;
  list-style:none;
}
.breadcrumb li + li::before{content:"/";margin:0 10px;color:var(--line)}
.breadcrumb a{
  color:var(--grey);
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.breadcrumb a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.breadcrumb [aria-current="page"]{color:var(--white)}

/* ============================================================ 进场动效 */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
html.js [data-reveal].is-in{opacity:1;transform:none}

/* ============================================================ 响应式 */
@media (max-width:1080px){
  .nav-toggle{display:block;margin-left:auto}
  .primary-nav{
    position:fixed;
    left:0;right:0;bottom:0;
    margin:0;
    display:block;
    padding:18px var(--gutter) 30px;
    background:rgba(18,22,31,.98);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border-top:1px solid var(--line);
    max-height:80vh;
    overflow-y:auto;
    transform:translateY(105%);
    visibility:hidden;
    transition:transform .38s var(--ease),visibility .38s;
    z-index:140;
  }
  .primary-nav[data-open]{transform:translateY(0);visibility:visible}
  .primary-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .primary-nav__list a{
    display:block;
    padding:16px 4px;
    font-size:17px;
    border-bottom:1px solid rgba(42,51,69,.65);
  }
  .primary-nav__list a[aria-current="page"]{color:var(--cyan)}
  .primary-nav__list a[aria-current="page"]::after{
    left:auto;right:6px;top:50%;bottom:auto;
    width:7px;height:7px;
    transform:translateY(-50%);
  }
  .primary-nav__cta{margin:22px 0 0;width:100%}
  .site-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:760px){
  :root{--gutter:18px}
  .status-bar__memory{display:none}
  .masthead__inner{min-height:64px}
  .brand__text{font-size:18px}
  .brand__sub{display:none}
  .section{padding:56px 0}
  .site-footer{margin-top:72px}
  .site-footer__inner{padding:48px var(--gutter) 22px}
  .site-footer__grid{grid-template-columns:1fr;gap:34px;padding-bottom:34px}
  .footer-legal{flex-direction:column;align-items:flex-start}
  .to-top{right:14px;bottom:14px;width:46px;height:46px}
}

@media (max-width:420px){
  .nav-toggle{width:40px;height:40px}
  .footer-contact{grid-template-columns:1fr}
}

/* ============================================================ 动效降级 */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.js [data-reveal]{opacity:1;transform:none}
  .scroll-progress{transition:none}
}